1672645475471 has 8 divisors (see below), whose sum is σ = 1676508446784. Its totient is φ = 1668783584160.

The previous prime is 1672645475411. The next prime is 1672645475507. The reversal of 1672645475471 is 1745745462761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1672645475471 - 2¹⁰ = 1672645474447 is a prime.

It is a super-3 number, since 3×1672645475471³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1672645475471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672645475411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2873225 + ... + 3405981.

It is an arithmetic number, because the mean of its divisors is an integer number (209563555848).

Almost surely, 2^{1672645475471} is an apocalyptic number.

1672645475471 is a deficient number, since it is larger than the sum of its proper divisors (3862971313).

1672645475471 is an equidigital number, since it uses as much as digits as its factorization.

1672645475471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540001.

The product of its digits is 39513600, while the sum is 59.

The spelling of 1672645475471 in words is "one trillion, six hundred seventy-two billion, six hundred forty-five million, four hundred seventy-five thousand, four hundred seventy-one".